B11 B11.5-1988 (R2008)

B11 B11.5-1988 (R2008) PDF

The requirements of this standard apply to those combination, multipurpose powered machines that punch, shear, notch, cope and form metal or other materials commonly referred to as ironworkers. The requirements of this standard also apply to those single or multipurpose powered machines similar in construction to, and identical in the use of, an ironworker or portions thereof.